996805 has 16 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 751680.

The previous prime is 996803. The next prime is 996811. The reversal of 996805 is 508699.

It is not a de Polignac number, because 996805 - 2¹ = 996803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9091 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (79200).

2⁹⁹⁶⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

996805 is a deficient number, since it is larger than the sum of its proper divisors (270395).

996805 is a wasteful number, since it uses less digits than its factorization.

996805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 996805 is about 998.4012219544. The cubic root of 996805 is about 99.8933863757.

The spelling of 996805 in words is "nine hundred ninety-six thousand, eight hundred five".